package com.apache.portal.common.util;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
* 检测是否为移动端设备访问
*/
public class IsModel {
	// \b 是单词边界(连着的两个(字母字符 与 非字母字符) 之间的逻辑上的间隔),
	// 字符串在编译时会被转码一次,所以是 "\\b"
	// \B 是单词内部逻辑间隔(连着的两个字母字符之间的逻辑上的间隔)
	static String phoneReg = "\\b(ip(hone|od)|android|opera m(ob|in)i" + "|windows (phone|ce)|blackberry"
			+ "|s(ymbian|eries60|amsung)|p(laybook|alm|rofile/midp" + "|laystation portable)|nokia|fennec|htc[-_]"
			+ "|mobile|up.browser|[1-4][0-9]{2}x[1-4][0-9]{2})\\b";
	static String tableReg = "\\b(ipad|tablet|(Nexus 7)|up.browser" + "|[1-4][0-9]{2}x[1-4][0-9]{2})\\b";

	// 移动设备正则匹配：手机端、平板
	static Pattern phonePat = Pattern.compile(phoneReg, Pattern.CASE_INSENSITIVE);
	static Pattern tablePat = Pattern.compile(tableReg, Pattern.CASE_INSENSITIVE);

	/**
	* 检测是否是移动设备访问
	* 
	* @Title: check
	* @param userAgent
	* 浏览器标识
	* @return true:移动设备接入，false:pc端接入
	*/
	public static boolean check(String userAgent) {
		if (null == userAgent) {
			userAgent = "";
		}
		// 匹配
		Matcher matcherPhone = phonePat.matcher(userAgent);
		Matcher matcherTable = tablePat.matcher(userAgent);
		if (matcherPhone.find() || matcherTable.find()) {
			return true;
		} else {
			return false;
		}
	}
}
